20670352

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{5147}}^1$

素因数の和:5406

約数の個数: 20

約数和(自身を含む): 40216176

約数和(自身を除く): 19545824

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 5147, 10294, 20588, 41176, 82352, 1291897, 2583794, 5167588, 10335176, 20670352]

約数ペア:

[(1, 20670352), (2, 10335176), (4, 5167588), (8, 2583794), (16, 1291897), (251, 82352), (502, 41176), (1004, 20588), (2008, 10294), (4016, 5147)]